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nixos/services.longview: remove with lib;

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This commit is contained in:
Felix Buehler 2024-08-30 00:46:59 +02:00
parent 9353cb1b74
commit 56bd2c2da6
1 changed files with 26 additions and 29 deletions
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55
nixos/modules/services/monitoring/longview.nix
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@ -1,7 +1,4 @@
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.longview;
@ -13,16 +10,16 @@ in {
services.longview = {
enable = mkOption {
type = types.bool;
enable = lib.mkOption {
type = lib.types.bool;
default = false;
description = ''
If enabled, system metrics will be sent to Linode LongView.
'';
};
apiKey = mkOption {
type = types.str;
apiKey = lib.mkOption {
type = lib.types.str;
default = "";
example = "01234567-89AB-CDEF-0123456789ABCDEF";
description = ''
@ -34,8 +31,8 @@ in {
'';
};
apiKeyFile = mkOption {
type = types.nullOr types.path;
apiKeyFile = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
example = "/run/keys/longview-api-key";
description = ''
@ -47,8 +44,8 @@ in {
'';
};
apacheStatusUrl = mkOption {
type = types.str;
apacheStatusUrl = lib.mkOption {
type = lib.types.str;
default = "";
example = "http://127.0.0.1/server-status";
description = ''
@ -58,8 +55,8 @@ in {
'';
};
nginxStatusUrl = mkOption {
type = types.str;
nginxStatusUrl = lib.mkOption {
type = lib.types.str;
default = "";
example = "http://127.0.0.1/nginx_status";
description = ''
@ -69,8 +66,8 @@ in {
'';
};
mysqlUser = mkOption {
type = types.str;
mysqlUser = lib.mkOption {
type = lib.types.str;
default = "";
description = ''
The user for connecting to the MySQL database. If provided,
@ -80,8 +77,8 @@ in {
'';
};
mysqlPassword = mkOption {
type = types.str;
mysqlPassword = lib.mkOption {
type = lib.types.str;
default = "";
description = ''
The password corresponding to {option}`mysqlUser`.
@ -90,8 +87,8 @@ in {
'';
};
mysqlPasswordFile = mkOption {
type = types.nullOr types.path;
mysqlPasswordFile = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
example = "/run/keys/dbpassword";
description = ''
@ -103,7 +100,7 @@ in {
};
config = mkIf cfg.enable {
config = lib.mkIf cfg.enable {
systemd.services.longview =
{ description = "Longview Metrics Collection";
after = [ "network.target" ];
@ -116,27 +113,27 @@ in {
preStart = ''
umask 077
mkdir -p ${configsDir}
'' + (optionalString (cfg.apiKeyFile != null) ''
'' + (lib.optionalString (cfg.apiKeyFile != null) ''
cp --no-preserve=all "${cfg.apiKeyFile}" ${runDir}/longview.key
'') + (optionalString (cfg.apacheStatusUrl != "") ''
'') + (lib.optionalString (cfg.apacheStatusUrl != "") ''
cat > ${configsDir}/Apache.conf <<EOF
location ${cfg.apacheStatusUrl}?auto
EOF
'') + (optionalString (cfg.mysqlUser != "" && cfg.mysqlPasswordFile != null) ''
'') + (lib.optionalString (cfg.mysqlUser != "" && cfg.mysqlPasswordFile != null) ''
cat > ${configsDir}/MySQL.conf <<EOF
username ${cfg.mysqlUser}
password `head -n1 "${cfg.mysqlPasswordFile}"`
EOF
'') + (optionalString (cfg.nginxStatusUrl != "") ''
'') + (lib.optionalString (cfg.nginxStatusUrl != "") ''
cat > ${configsDir}/Nginx.conf <<EOF
location ${cfg.nginxStatusUrl}
EOF
'');
};
warnings = let warn = k: optional (cfg.${k} != "")
warnings = let warn = k: lib.optional (cfg.${k} != "")
"config.services.longview.${k} is insecure. Use ${k}File instead.";
in concatMap warn [ "apiKey" "mysqlPassword" ];
in lib.concatMap warn [ "apiKey" "mysqlPassword" ];
assertions = [
{ assertion = cfg.apiKeyFile != null;
@ -145,14 +142,14 @@ in {
];
# Create API key file if not configured.
services.longview.apiKeyFile = mkIf (cfg.apiKey != "")
(mkDefault (toString (pkgs.writeTextFile {
services.longview.apiKeyFile = lib.mkIf (cfg.apiKey != "")
(lib.mkDefault (toString (pkgs.writeTextFile {
name = "longview.key";
text = cfg.apiKey;
})));
# Create MySQL password file if not configured.
services.longview.mysqlPasswordFile = mkDefault (toString (pkgs.writeTextFile {
services.longview.mysqlPasswordFile = lib.mkDefault (toString (pkgs.writeTextFile {
name = "mysql-password-file";
text = cfg.mysqlPassword;
}));